1377881025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:623

約数の個数: 96

約数和(自身を含む): 2530123776

約数和(自身を除く): 1152242751

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 71, 75, 85, 93, 155, 213, 255, 355, 425, 465, 491, 527, 775, 1065, 1207, 1275, 1473, 1581, 1775, 2201, 2325, 2455, 2635, 3621, 5325, 6035, 6603, 7365, 7905, 8347, 11005, 12275, 13175, 15221, 18105, 25041, 30175, 33015, 34861, 36825, 37417, 39525, 41735, 45663, 55025, 76105, 90525, 104583, 112251, 125205, 165075, 174305, 187085, 208675, 228315, 258757, 380525, 522915, 561255, 592637, 626025, 776271, 871525, 935425, 1080691, 1141575, 1293785, 1777911, 2614575, 2806275, 2963185, 3242073, 3881355, 5403455, 6468925, 8889555, 14815925, 16210365, 18371747, 19406775, 27017275, 44447775, 55115241, 81051825, 91858735, 275576205, 459293675, 1377881025]

約数ペア:

[(1, 1377881025), (3, 459293675), (5, 275576205), (15, 91858735), (17, 81051825), (25, 55115241), (31, 44447775), (51, 27017275), (71, 19406775), (75, 18371747), (85, 16210365), (93, 14815925), (155, 8889555), (213, 6468925), (255, 5403455), (355, 3881355), (425, 3242073), (465, 2963185), (491, 2806275), (527, 2614575), (775, 1777911), (1065, 1293785), (1207, 1141575), (1275, 1080691), (1473, 935425), (1581, 871525), (1775, 776271), (2201, 626025), (2325, 592637), (2455, 561255), (2635, 522915), (3621, 380525), (5325, 258757), (6035, 228315), (6603, 208675), (7365, 187085), (7905, 174305), (8347, 165075), (11005, 125205), (12275, 112251), (13175, 104583), (15221, 90525), (18105, 76105), (25041, 55025), (30175, 45663), (33015, 41735), (34861, 39525), (36825, 37417)]